18689898

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 38489472

約数和(自身を除く): 19799574

約数列:

[1, 2, 3, 6, 71, 73, 142, 146, 213, 219, 426, 438, 601, 1202, 1803, 3606, 5183, 10366, 15549, 31098, 42671, 43873, 85342, 87746, 128013, 131619, 256026, 263238, 3114983, 6229966, 9344949, 18689898]

約数ペア:

[(1, 18689898), (2, 9344949), (3, 6229966), (6, 3114983), (71, 263238), (73, 256026), (142, 131619), (146, 128013), (213, 87746), (219, 85342), (426, 43873), (438, 42671), (601, 31098), (1202, 15549), (1803, 10366), (3606, 5183)]